The following causes can be considered.
Solutions
Place the printer on a flat surface and operate in the recommended environmental conditions.
Environmental Specifications
Use paper supported by this printer.
Available Paper and Capacities
Unavailable Paper Types
Follow paper handling precautions.
Paper Handling Precautions
Load paper in the correct direction, and slide the edge guide against the edge of the paper.
Loading Paper
Do not load more than the maximum number of sheets specified for the paper. For plain paper, do not load above the line indicated by the triangle symbol on the edge guide.
Make sure the paper size and paper type settings match the actual paper size and paper type loaded in the printer.
Paper Size and Type Settings
